#  -*- coding: utf-8 -*-

class Sql_Flle(object):
    '''
        需要处理数据的sql文件集
    '''

    def __init__(self):
        pass

    def select_electricity_data(self):
        '''
        获取电流数据
        :return:
        '''
        sql = ''' '''
        condition_tuple_type = ()
        return sql, condition_tuple_type

    def select_voltage_data(self):
        '''
        获取电压数据
        :return:
        '''
        sql = ''' '''
        condition_tuple_type = ()
        return sql, condition_tuple_type
